//
//  Person.h
//  CategoryTest
//
//  Created by muxue on 2019/9/22.
//  Copyright © 2019 暮雪. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface Person : NSObject
{
    NSInteger _age;
}
- (void)run;
@end

NS_ASSUME_NONNULL_END
